GM 97188721 INJECTION LINE (CYLINDERS 3 & 6) RUNNING BOARDS 6L Duramax LML will support

6L Duramax LML will support substantial boost pressure in your stock or highly modified truck

Replace your torn brake hose with the Russell 672440 Braided Stainless Steel Brake Hose Kit that improves your braking performance over factory rubber brake hoses

deeper cycle capabilities

Increased Durability

GM 97188721 INJECTION LINE (CYLINDERS 3 & 6) RUNNING BOARDS 6L Duramax LML will supportThe GM 97188721 Injection Line is an OE replacement for your 2001 2004 GM 6. 6L Duramax. Due to the fact that the factory lines are often corroded, it is recommended that they are replaced when injectors are serviced. This line will work on cylinder 3 or 6. Sold individually, quantity of 2 required to cover both cylinder 3 and 6. FEATURES: OE Replacement Sold Individually Fits Cylinder 3 or 6